rownames,Kyphosis,Age,Number,Start
1,absent,71,3,5
2,absent,158,3,14
3,present,128,4,5
4,absent,2,5,1
5,absent,1,4,15
6,absent,1,2,16
7,absent,61,2,17
8,absent,37,3,16
9,absent,113,2,16
10,present,59,6,12
11,present,82,5,14
12,absent,148,3,16
13,absent,18,5,2
14,absent,1,4,12
15,absent,168,3,18
16,absent,1,3,16
17,absent,78,6,15
18,absent,175,5,13
19,absent,80,5,16
20,absent,27,4,9
21,absent,22,2,16
22,present,105,6,5
23,present,96,3,12
24,absent,131,2,3
25,present,15,7,2
26,absent,9,5,13
27,absent,8,3,6
28,absent,100,3,14
29,absent,4,3,16
30,absent,151,2,16
31,absent,31,3,16
32,absent,125,2,11
33,absent,130,5,13
34,absent,112,3,16
35,absent,140,5,11
36,absent,93,3,16
37,absent,1,3,9
38,present,52,5,6
39,absent,20,6,9
40,present,91,5,12
41,present,73,5,1
42,absent,35,3,13
43,absent,143,9,3
44,absent,61,4,1
45,absent,97,3,16
46,present,139,3,10
47,absent,136,4,15
48,absent,131,5,13
49,present,121,3,3
50,absent,177,2,14
51,absent,68,5,10
52,absent,9,2,17
53,present,139,10,6
54,absent,2,2,17
55,absent,140,4,15
56,absent,72,5,15
57,absent,2,3,13
58,present,120,5,8
59,absent,51,7,9
60,absent,102,3,13
61,present,130,4,1
62,present,114,7,8
63,absent,81,4,1
64,absent,118,3,16
65,absent,118,4,16
66,absent,17,4,10
67,absent,195,2,17
68,absent,159,4,13
69,absent,18,4,11
70,absent,15,5,16
71,absent,158,5,14
72,absent,127,4,12
73,absent,87,4,16
74,absent,206,4,10
75,absent,11,3,15
76,absent,178,4,15
77,present,157,3,13
78,absent,26,7,13
79,absent,120,2,13
80,present,42,7,6
81,absent,36,4,13